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![]() HAODA ELECTRONICS |
![]() 1.SCOPE
HAODA’s SAW filter series have broad line up products meeting all
broadcast standard including NTSC,PAL and SECAM systems. These filters are
composed of two interdigital transducers on a single-crystal. piezoelectrical chip.
they are used in electronic equipments such as TV and so on.
2.Construction
2.1 Dimension and materials
Manufacturer’s name : HAODA ELECTRONICS Co. LTD(CHINA)
Type : IF389B4M
0: year(0,1,2,3,4,5,6,7,8,9)
B:product in this quarter(A:1~3,B:4~6,C:7~9,D:10~12)
![]() 2.2. Circuit construction, measurement circuit
3.Characteristics
Standard atmospheric conditions
Unless otherwise specified , the standard rang of atmospheric conditions for making
measurements and tests is as follows;
Ambient temperature : 15 to 35
Relative humidity : 25% to 85%
Air pressure
: 86kPa to 106kPa
Operating temperature rang
Operating temperature rang is the rang of ambient temperatures in which the filter
can be
operated continuously. -10 ~ +60
Storage temperature rang
Storage temperature rang is the rang of ambient temperatures at which the filter can
be stored
without damage.
Conditions are as specified elsewhere in these specifications. -40 ~ +70
Reference temperature
+25
3.1 Maximum Rating
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